ProductCategoryDisplay

  • TUNNELLING

    RELIABLE AND WEAR-RESISTANT SYSTEMS EQUIPPED TO HANDLE DEMANDING APPLICATIONS

  • TUNNELLING

    COMPACT, USER-FRIENDLY AND COST EFFECTIVE SYSTEMS

  • TUNNELLING

    VERSATILE AND FLEXIBLE SOLUTIONS WITH HIGH ACCURACY FOR BETTER OUTPUT

IF TUNNELLING IS AN ART, OUR MACHINES ARE STATE-OF-THE-ART

At Putzmeister, we like to think that concreting is more of an art than a technique. Our full concreting range makes use of the most advanced technique in the concreting industry to ensure that your needs are met satisfactorily, efficiently and in record time. Our mortar machines are designed for micropile injection to increase terrain stability with the help of our state-of-the-art pumps. For primary and secondary lining, we have a range of shotcrete solutions. You can choose between mechanised or manual shotcreting or tunnel formworks in collaboration with our strategic partner Kern Tunneltechnik. For the final tunnel concreting, we bring into the game the unrivalled Putzmeister boom or stationary pumps which put the perfect finishing touches on your project.
MICROPILE INJECTION

INJECTING MORTAR AND SAFETY AT EVERY STAGE OF EXCAVATION

At Putzmeister, safety and quality play a crucial role in whatever we do. This is why our high performance mortar machines are the best choice in the pre and post-excavation stage of tunnelling.

In the pre-excavation stage, a thorough ground treatment gives the team a good idea of the land we are dealing with and what safety precautions to implement.

Our experts on the job ensure that depending on the rock, construction method and time plan, suitable machines are set aside to be used for the injection of mortar in the tunnel construction.

In the post-evacuation stage, we use cement bolts to stabilise tricky terrain. These measures ensure that ultimately both us and the client reach our goal - to complete the project safely and efficiently in a timely manner.

INJECTING MORTAR AND SAFETY AT EVERY STAGE OF EXCAVATION

Reliable and wear resistant modular systems equipped to handle demanding applications.

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CONCRETE LOGISTICS

LOGISTICS WITH LOGIC: WELL THOUGHT OUT SOLUTIONS FOR TRANSPORT AND PLACING

Efficient logistics play a huge role in ensuring that concreting is carried out efficiently.

In the pre-excavation stage, a thorough ground treatment gives the team a good idea of the land we are dealing with and what safety precautions to implement.

Transporting concrete can be done in two ways - long distance pumping or using truck mixers.

At Putzmeister, we realise that there is no set answer for everyone. We give our customers the right product to use only after carefully considering the work at hand. Our team of highly qualified engineers is equipped with the knowledge to correctly diagnose the situation and take the project forward in the most efficient way possible.

Alternative methods of concrete placing include using track vehicles, pneumatic conveying, step-by-step pumping over short distances, and/or combined means of transport.

LOGISTICS WITH LOGIC: WELL THOUGHT OUT SOLUTIONS FOR TRANSPORT AND PLACING

Reliable and durable pumps for smooth operations and effective results

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SHOTCRETING

SHOTCRETE: THE SILVER LINING IN TUNNELLING

Putzmeister has successfully succeeded in connecting cities across the world, with expertly constructed tunnels built using the best tools that modern technology has to offer. As a result, we have gained a reputation for excellence in the field of tunnel construction.

The use of shotcrete provides the tunnelling with a form of resistance and stability. Putzmeister makes use of mechanised shotcreting equipment which is economical and reliable and pertains to high volume projects.

Putzmeister's WETKRET line of mechanised spraying equipment with various boom lengths and output volumes gives you versatility on underground job sites. The Putzmeister method also makes use of trailer pumps and mortar machines that provides you with end to end solutions that make the tunnelling process a seamless one that fits your budget.

THE SILVER LINING IN TUNNELLING

Versatile and flexible solutions with high accuracy for better output

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SLAB LINING

SLAB LINING: WHEN YOU SEE THE LIGHT AT THE END OF THE TUNNEL

Slab lining is the final stage of the tunnel construction process, where the tunnel floor is secured.

Putzmeister uses two methods to do this, depending on the requirements of the job site. We either use stationary concrete pumps for smaller sites or truck-mounted pumps, often used for larger tunnels.

We make use of a mechanical distributor in various sizes, to place the concrete, which makes the process easier and faster.

WHEN YOU SEE THE LIGHT AT THE END OF THE TUNNEL

Compact, user-friendly and cost effective systems to tackle varied job sites

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FORMWORK

FIT AND FINISH – ALMOST AS IMPORTANT TO THE TUNNEL AS THE DESIGN IS

Some tunnels require highly specific finishes, as in the case of aerodynamic high speed train networks and motorway tunnels. To cater to these needs, the tunnel construction process utilizes formwork molds which allow cast-in place concrete to be poured on site.

Our alliance with Strategic Partner, Kern Tunnel Technik has made it possible for us to integrate secondary lining solutions. This is labour intensive, highly advanced and proficient and is perfectly complimented by our stationary pumps and innovative formwork filling system.

FIT AND FINISH – ALMOST AS IMPORTANT TO THE TUNNEL AS THE DESIGN IS

Efficient and easily adaptable systems for increased productivity

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FORMWORK FILLING

INNOVATIVE PARTNERSHIPS MAKE THE FORMWORK WORK

When Putzmeister partnered with the leading engineering group Kern Tunnel Technik, it ushered in a new era of renewed solutions and modern means of tunnelling.

As a result, we make use of an integrated secondary lining solutions for tunnels. This is a highly labour intensive process which combines Kern bespoke formworks with Putzmeister stationary pumps and our innovative formwork filling system.

The automated formwork filling system FORMKRET is regulated by a set of 2 way valves integrated in the formwork structure, and are connected by a single delivery line that links the entire system in sequential rows.

The package is completed by our time tested stationary pumps which are connected to the formwork.

INNOVATIVE PARTNERSHIPS MAKE THE FORMWORK WORK

Automated filling system for accurate and efficient results.

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MUCK REMOVAL

Digging up the dirt – and then dealing with it

At the end of the day, tunnelling involves a lot of digging through the dirt! In the process, it produces large amounts of excavated muck which needs to be transported through the tunnelling machine's discharge system.

The selected form of discharge is chosen according to the type of material being cut into. For example, extremely hard substances like granite cannot be pumped through ordinary systems.

Soft substances like chalk and limestone are relatively soft and can be crushed quite easily in such a way that the addition of water to the grading curve of the material makes transport by pump possible.

Using muck pumping ensures that the newly formed tunnel bore remains clean and is available for other work, as the pipework can be attached to the tunnel wall easily. The process makes doing the dirty work much simpler, easier and safer to handle.

HIGHLY RESISTANT AND SERVICE FRIENDLY SYSTEMS FOR EFFICIENT RESULTS

Digging up the dirt – and then dealing with it

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BACKFILLING OF TUBBING SEGMENTS

THERE’S NO TUNNEL VISION: WE AIM TO BE THE PROVIDER OF THE BEST TUNNELLING TECHNOLOGY SYSTEMS

In this constantly evolving modern world, it is important to accept only the best of what technology has to offer. That is why we use high performance tunnelling operations that maximise efficiency and minimise damage.

We use different machinery for the injection of mortar, depending on the kind of rock, construction method and time plan. Putzmeister offers services and machinery that includes everything from the smallest single machine to fill anchor holes, to piston pumps for high pumping pressure.

Our TRIA injection systems are generally used in high performance tunnelling operations in which closed tunnelling machines line the tunnel with concrete or steel segments.The ring space between the tunnel wall and the tunnelling machine must therefore be filled continuously at the same rate as the tunnel is cut.

The filling material is made up of two components: one is a high grade retarding cement grout, and the other an inert mortar of sand, fly ash and water. Both components are mixed separately and fed in a 1:19 ratio to a mixer through KOV or HSP high density solids pumps that allow both quantity and pressure to be adjusted individually.

THERE’S NO TUNNEL VISION: WE AIM TO BE THE PROVIDER OF THE BEST TUNNELLING TECHNOLOGY SYSTEMS

High resistant and low maintenance systems equipped with hydraulic units for maximum performance.

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TECHNOLOGY

Tunnelling Technology

The Know-how of Putzmeister is shown in the handling of different material like concrete or mortar and in the conveying of a variety of solids like sewage sludge, coal sludge or mining tailings. On jobsites or in industrial facilities worldwide, Putzmeister technology takes care that all machines and installations are working perfectly.

Our first class products are setting the standard in the industry, especially in terms of sustained and profitable growth for our customers. With different pump and conveying systems Putzmeister offers you always the right machine for your application. Our technology fields are everywhere where concrete and mortar have to be pumped, as well as in the Energy and Environment sector and in Mining and Tunneling.

TUNNELING TECHNOLOGY

Putzmeister’s unique technology is here to help turn ideas into reality.

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USED MACHINES

USED MACHINES

Sometimes, you might need a lower-cost introduction to the Putzmeister experience. Putzmeister used equipment might be your way of getting the legendary reliability at a more affordable price. Putzmeister approved used machines are your perfect introduction to our versatile equipment range, giving you a maximum return on investment. If maintained well, our equipment can be a reliable partner to you, even after facing the toughest challenges and several years of operation. You’ll be glad to know our machines hold up among the highest resale values in the business. Reduce your investment costs with our used machines – and stay assured that you will receive the same top-notch quality equipment, along with support and service. In this section we offer Putzmeister approved, well-maintained machines. And, as always, we will continue to be a reliable service and support partner to you after your purchase.

LET’S CALL THEM EXPERIENCED MACHINES

Our legendary reliability and service at an affordable price.

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